3621286 has 16 divisors (see below), whose sum is σ = 5756400. Its totient is φ = 1703808.

The previous prime is 3621271. The next prime is 3621287. The reversal of 3621286 is 6821263.

3621286 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3621286² = 26227424587592, which contains 22 as substring.

It is an Ulam number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3621287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8650 + ... + 9058.

It is an arithmetic number, because the mean of its divisors is an integer number (359775).

Almost surely, 2^3621286 is an apocalyptic number.

3621286 is a deficient number, since it is larger than the sum of its proper divisors (2135114).

3621286 is a wasteful number, since it uses less digits than its factorization.

3621286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663.

The product of its digits is 3456, while the sum is 28.

The square root of 3621286 is about 1902.9676823320. The cubic root of 3621286 is about 153.5633608989.

The spelling of 3621286 in words is "three million, six hundred twenty-one thousand, two hundred eighty-six".